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Detach shared memory from bgworkers without shmem access.

author Robert Haas <rhaas@postgresql.org>

Wed, 7 May 2014 18:54:43 +0000 (14:54 -0400)

committer Robert Haas <rhaas@postgresql.org>

Wed, 7 May 2014 18:56:49 +0000 (14:56 -0400)

commit 4d155d8b08fe08c1a1649fdbad61c6dcf4a8671f

tree a71336ebdeb02017f00918030c7275d63a54ac48 tree

parent 04e5025be8bbe572e12b19c4ba9e2a8360b8ffe5 commit | diff

Detach shared memory from bgworkers without shmem access.

Since the postmaster won't perform a crash-and-restart sequence
for background workers which don't request shared memory access,
we'd better make sure that they can't corrupt shared memory.

Patch by me, review by Tom Lane.

src/backend/postmaster/bgworker.c diff | blob | blame | history

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